COMPOSITIONS DE PHEROMONES DESTINEES A STIMULER L'APPARITION PRECOCE DE L';STRUS ET A REDUIRE LES BESOINS EN MAIN-D';UVRE DANS LA REPRODUCTION DE SUIDES PERIPUBERES, ET PROCEDES D'UTILISATION
The present disclosure provides for pheromonal compositions and methods of using the compositions for stimulating early onset of estrus in a peri-pubertal suid and methods of improving performance of the peri-pubertal female suid. The composition may comprise at least one steroid hormone and a heterocyclic aromatic compound. The method comprises administering the pheromone composition to the suid for a period of time.